APA (7th ed.) Citation

Tamayo y Baus, M., Harry, P. W., & Salvio, A. d. (1931). Lo positivo: Notes, exercises, and vocabulary (New ed.). D.C. Heath and Company.

Chicago Style (17th ed.) Citation

Tamayo y Baus, Manuel, Philip Warner Harry, and Alfonso de Salvio. Lo Positivo: Notes, Exercises, and Vocabulary. New ed. Boston, New York [etc.]: D.C. Heath and Company, 1931.

MLA (9th ed.) Citation

Tamayo y Baus, Manuel, et al. Lo Positivo: Notes, Exercises, and Vocabulary. New ed. D.C. Heath and Company, 1931.